首页
登录
职称英语
Fifty volunteers were alphabetically divided into two equal groups, Group A
Fifty volunteers were alphabetically divided into two equal groups, Group A
游客
2025-01-22
18
管理
问题
Fifty volunteers were alphabetically divided into two equal groups, Group A to participate【C1】______a 7-week exercise program, and Group B to avoid【C2】______exercise of any sort during those 7 weeks. On the day before the exercise program began, all 50 men participated in a step-test. This【C3】______of stepping up and down on a 16-inch bench【C4】______30 steps a minute for 5 minutes. One minute after completion of the step-test the pulse【C5】______of each subject was taken and recorded. This【C6】______as the pretest for the experiment. For the next 7 weeks, subjects in the experimental group(Group A)rode an Exercycle(a motor-driven bicycle-type exercise machine)for 15minutes each day. The exercise schedule【C7】______for riders to ride relaxed during the first day’s ride,【C8】______holding on to the handle bars and foot pedals【C9】______the machine moved.【C10】______, for the next 3 days, they rode relaxed for 50 seconds of each minute, and pushed, pulled, and pedaled actively for 10 seconds of each minute. The ratio of active riding was【C11】______every few days,【C12】______by the third week it was half of each minute, and by the seventh week the riders were【C13】______15 solid minutes of active riding.
【C14】______end of the 7 weeks, the step-test was again【C15】______to both groups of subjects, and their pulses taken. The post-exercise pulse rates of subjects in the experimental group【C16】______found to have decreased a(n) 【C17】______of 30 heart beats per minute, with the lowest decrease 28 and th highest decrease 46. The pulse rates of subjects in the control group【C18】______the same or changed no more than 4【C19】______, with a(n) 【C20】______difference between the initial and final tests of zero. [br] 【C19】
选项
A、strikes
B、hits
C、blows
D、beats
答案
D
解析
此处的beats即heart beats心跳次数。
转载请注明原文地址:https://tihaiku.com/zcyy/3923402.html
相关试题推荐
WehadsomelinkswiththeSocialistWorkersandotherLeft-winggroups,andthe
Twogroupsofpeoplearecomparedinthethirdstudy.TheyarepeopleA、withless
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
随机试题
Wouldyoupleasepassmethebook_____coverisblack?A、whichB、whoseC、thatD、
Volcanoes—Earth-shatteringNewsA)Volcanoesaretheultimate
在预制装配式钢筋混凝土楼板中实心平板的板厚一般为()。A.40~70mm B.
女性腹腔最低部位是A.膀胱直肠窝 B.肝肾间隙 C.子宫直肠窝 D.脾肾间
下列结构组成中,属于桥梁下部结构的有()。A.桩基础 B.承台 C
一、二级动火工作票签发人应是经本单位[动火单位或设备运维管理单位(部门)]考试合
(2016年真题)与购买股票相比,部分投资者更愿意投资房地产的主要原因是()。
对房地产估价总的要求有(),这应作为房地产估价的最高原则。A.合法 B.
“如果我理解正确的话,你说的意思是……”,这属于()A:开放式提问 B:封闭式
上世纪60年代,印度政府大力推广高产的进口水稻,新的品种很快取代了原有地方品种。
最新回复
(
0
)